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61 lines
2.8 KiB
61 lines
2.8 KiB
2 years ago
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"use strict";
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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const OperationCanceledError_1 = require("../error/OperationCanceledError");
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const FilesChange_1 = require("./FilesChange");
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/**
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* This higher order reporter aggregates too frequent getReport requests to avoid unnecessary computation.
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*/
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function createAggregatedReporter(reporter) {
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let pendingPromise;
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let queuedIndex = 0;
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let queuedChanges = [];
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const aggregatedReporter = Object.assign(Object.assign({}, reporter), { getReport: (change) => __awaiter(this, void 0, void 0, function* () {
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if (!pendingPromise) {
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let resolvePending;
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pendingPromise = new Promise((resolve) => {
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resolvePending = () => {
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resolve();
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pendingPromise = undefined;
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};
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});
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return reporter
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.getReport(change)
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.then((report) => (Object.assign(Object.assign({}, report), { close() {
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return __awaiter(this, void 0, void 0, function* () {
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yield report.close();
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resolvePending();
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});
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} })))
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.catch((error) => {
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resolvePending();
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throw error;
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});
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}
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else {
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const currentIndex = ++queuedIndex;
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queuedChanges.push(change);
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return pendingPromise.then(() => {
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if (queuedIndex === currentIndex) {
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const change = FilesChange_1.aggregateFilesChanges(queuedChanges);
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queuedChanges = [];
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return aggregatedReporter.getReport(change);
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}
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else {
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throw new OperationCanceledError_1.OperationCanceledError('getReport canceled - new report requested.');
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}
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});
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}
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}) });
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return aggregatedReporter;
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}
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exports.createAggregatedReporter = createAggregatedReporter;
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